Advertisements
Advertisements
प्रश्न
In case of inverse proportion, `a_2/- = b_2/-`
Advertisements
उत्तर
In case of inverse proportion, `a_2/underlinebb(a_1) = b_2/underlinebb(b_1)`
Explanation:
In inverse proportion,
⇒ `a_2/a_1 = b_2/b_1`
⇒ a2b1 = a1b2
APPEARS IN
संबंधित प्रश्न
Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him by completing the following table:
| Number of spokes | 4 | 6 | 8 | 10 | 12 |
| Angle between a pair of consecutive spokes |
90° | 60° | ... | ... | ... |
- Are the number of spokes and the angles formed between the pairs of consecutive spokes in inverse proportion?
- Calculate the angle between a pair of consecutive spokes on a wheel with 15 spokes.
- How many spokes would be needed if the angle between a pair of consecutive spokes is 40°?
If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?
A work-force of 420 men with a contractor can finish a certain piece of work in 9 months. How many extra men must he employ to complete the job in 7 months?
18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?
Raghu has enough money to buy 75 machines worth Rs 200 each. How many machines can he buy if he gets a discount of Rs 50 on each machine?
If x and y vary inversely as other and y = 35, find x when constant of variation = 7.
6 pumps are required to fill a water sump in 1 hr 30 minutes. What will be the time taken to fill the sump if one pump is switched off?
x varies inversely as twice of y. Given that when y = 6, the value of x is 4. Find the value of x when y = 8
When the speed is kept fixed, time and distance vary inversely with each other.
If p and q are in inverse variation then (p + 2) and (q – 2) are also in inverse proportion.
